Pain that worsens with deep breathing is more suggestive of a musculoskeletal or pleuritic cause (such as an intercostal muscle strain or inflammation of the chest wall lining) than a breast problem. However, pain on the left side of the chest should not be assumed to be benign without evaluation.
I recommend a clinical examination. Depending on the findings, an ECG, chest X-ray, and other investigations may be required to rule out cardiac, lung, or other chest wall conditions.
If you develop crushing chest pain, pain radiating to the arm, jaw or back, shortness of breath, sweating, dizziness, or fainting, seek emergency medical care immediately.
Answered2026-07-31 10:56:12
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